78262532 has 12 divisors (see below), whose sum is σ = 141682380. Its totient is φ = 37781856.

The previous prime is 78262531. The next prime is 78262579. The reversal of 78262532 is 23526287.

It can be written as a sum of positive squares in 2 ways, for example, as 40119556 + 38142976 = 6334^2 + 6176^2 .

It is a super-2 number, since 2×78262532² = 12250047830102048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 78262492 and 78262501.

It is not an unprimeable number, because it can be changed into a prime (78262531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 337223 + ... + 337454.

It is an arithmetic number, because the mean of its divisors is an integer number (11806865).

Almost surely, 2^78262532 is an apocalyptic number.

It is an amenable number.

78262532 is a deficient number, since it is larger than the sum of its proper divisors (63419848).

78262532 is a wasteful number, since it uses less digits than its factorization.

78262532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674710 (or 674708 counting only the distinct ones).

The product of its digits is 40320, while the sum is 35.

The square root of 78262532 is about 8846.6113286388. The cubic root of 78262532 is about 427.7446944499.

The spelling of 78262532 in words is "seventy-eight million, two hundred sixty-two thousand, five hundred thirty-two".