71492707 has 16 divisors (see below), whose sum is σ = 85585248. Its totient is φ = 58855680.

The previous prime is 71492699. The next prime is 71492711. The reversal of 71492707 is 70729417.

It is not a de Polignac number, because 71492707 - 2³ = 71492699 is a prime.

It is a super-2 number, since 2×71492707² = 10222414308375698, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (71492767) 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 15 ways as a sum of consecutive naturals, for example, 2863 + ... + 12295.

It is an arithmetic number, because the mean of its divisors is an integer number (5349078).

Almost surely, 2^71492707 is an apocalyptic number.

71492707 is a deficient number, since it is larger than the sum of its proper divisors (14092541).

71492707 is a wasteful number, since it uses less digits than its factorization.

71492707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9510.

The product of its (nonzero) digits is 24696, while the sum is 37.

The square root of 71492707 is about 8455.3360075162. The cubic root of 71492707 is about 415.0374127978.

The spelling of 71492707 in words is "seventy-one million, four hundred ninety-two thousand, seven hundred seven".