78492532 has 24 divisors (see below), whose sum is σ = 141261120. Its totient is φ = 38139840.

The previous prime is 78492529. The next prime is 78492541. The reversal of 78492532 is 23529487.

It is a super-2 number, since 2×78492532² = 12322155159542048, which contains 22 as substring.

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, 49569 + ... + 51127.

It is an arithmetic number, because the mean of its divisors is an integer number (5885880).

Almost surely, 2^78492532 is an apocalyptic number.

It is an amenable number.

78492532 is a deficient number, since it is larger than the sum of its proper divisors (62768588).

78492532 is a wasteful number, since it uses less digits than its factorization.

78492532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1911 (or 1909 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 78492532 is about 8859.6011196893. The cubic root of 78492532 is about 428.1633071163.

The spelling of 78492532 in words is "seventy-eight million, four hundred ninety-two thousand, five hundred thirty-two".