71492120 has 32 divisors (see below), whose sum is σ = 183837600. Its totient is φ = 24511488.

The previous prime is 71492093. The next prime is 71492147. The reversal of 71492120 is 2129417.

It is an interprime number because it is at equal distance from previous prime (71492093) and next prime (71492147).

It is a super-2 number, since 2×71492120² = 10222246444188800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 71492120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127385 + ... + 127944.

It is an arithmetic number, because the mean of its divisors is an integer number (5744925).

Almost surely, 2^71492120 is an apocalyptic number.

71492120 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71492120 is an abundant number, since it is smaller than the sum of its proper divisors (112345480).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

71492120 is a wasteful number, since it uses less digits than its factorization.

71492120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255347 (or 255343 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 71492120 is about 8455.3012956370. The cubic root of 71492120 is about 415.0362768888.

The spelling of 71492120 in words is "seventy-one million, four hundred ninety-two thousand, one hundred twenty".