71496337 has 4 divisors (see below), whose sum is σ = 77996016. Its totient is φ = 64996660.

The previous prime is 71496289. The next prime is 71496349. The reversal of 71496337 is 73369417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 73369417 = 11 ⋅6669947.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71496337 is a prime.

It is a super-2 number, since 2×71496337² = 10223452408835138, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 71496337.

It is not an unprimeable number, because it can be changed into a prime (71496037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3249823 + ... + 3249844.

It is an arithmetic number, because the mean of its divisors is an integer number (19499004).

Almost surely, 2^71496337 is an apocalyptic number.

It is an amenable number.

71496337 is a deficient number, since it is larger than the sum of its proper divisors (6499679).

71496337 is a wasteful number, since it uses less digits than its factorization.

71496337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6499678.

The product of its digits is 95256, while the sum is 40.

The square root of 71496337 is about 8455.5506621390. The cubic root of 71496337 is about 415.0444371055.

Subtracting 71496337 from its reverse (73369417), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 71496337 in words is "seventy-one million, four hundred ninety-six thousand, three hundred thirty-seven".