77230532 has 6 divisors (see below), whose sum is σ = 135153438. Its totient is φ = 38615264.

The previous prime is 77230529. The next prime is 77230547. The reversal of 77230532 is 23503277.

It can be written as a sum of positive squares in only one way, i.e., 51179716 + 26050816 = 7154^2 + 5104^2 .

It is a junction number, because it is equal to n+sod(n) for n = 77230495 and 77230504.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9653813 + ... + 9653820.

It is an arithmetic number, because the mean of its divisors is an integer number (22525573).

Almost surely, 2^77230532 is an apocalyptic number.

It is an amenable number.

77230532 is a deficient number, since it is larger than the sum of its proper divisors (57922906).

77230532 is a wasteful number, since it uses less digits than its factorization.

77230532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19307637 (or 19307635 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 77230532 is about 8788.0903500135. The cubic root of 77230532 is about 425.8562336770.

The spelling of 77230532 in words is "seventy-seven million, two hundred thirty thousand, five hundred thirty-two".