72076497 has 4 divisors (see below), whose sum is σ = 96102000. Its totient is φ = 48050996.

The previous prime is 72076493. The next prime is 72076507. The reversal of 72076497 is 79467027.

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.

It is a cyclic number.

It is not a de Polignac number, because 72076497 - 2² = 72076493 is a prime.

It is not an unprimeable number, because it can be changed into a prime (72076493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12012747 + ... + 12012752.

It is an arithmetic number, because the mean of its divisors is an integer number (24025500).

Almost surely, 2^72076497 is an apocalyptic number.

It is an amenable number.

72076497 is a deficient number, since it is larger than the sum of its proper divisors (24025503).

72076497 is a wasteful number, since it uses less digits than its factorization.

72076497 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24025502.

The product of its (nonzero) digits is 148176, while the sum is 42.

The square root of 72076497 is about 8489.7878065356. The cubic root of 72076497 is about 416.1640459554.

The spelling of 72076497 in words is "seventy-two million, seventy-six thousand, four hundred ninety-seven".