71492 has 12 divisors (see below), whose sum is σ = 127596. Its totient is φ = 35040.

The previous prime is 71483. The next prime is 71503. The reversal of 71492 is 29417.

It can be written as a sum of positive squares in 2 ways, for example, as 33856 + 37636 = 184^2 + 194^2 .

It is a super-2 number, since 2×71492² = 10222212128, which contains 22 as substring.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98 + ... + 390.

It is an arithmetic number, because the mean of its divisors is an integer number (10633).

2⁷¹⁴⁹² is an apocalyptic number.

It is an amenable number.

71492 is a deficient number, since it is larger than the sum of its proper divisors (56104).

71492 is a wasteful number, since it uses less digits than its factorization.

71492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 356 counting only the distinct ones).

The product of its digits is 504, while the sum is 23.

The square root of 71492 is about 267.3798795721. The cubic root of 71492 is about 41.5036044675.

The spelling of 71492 in words is "seventy-one thousand, four hundred ninety-two".