77330352 has 80 divisors (see below), whose sum is σ = 219485952. Its totient is φ = 23266560.

The previous prime is 77330329. The next prime is 77330389. The reversal of 77330352 is 25303377.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87738 + ... + 88614.

Almost surely, 2^77330352 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77330352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109742976).

77330352 is an abundant number, since it is smaller than the sum of its proper divisors (142155600).

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

77330352 is a wasteful number, since it uses less digits than its factorization.

77330352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1066 (or 1060 counting only the distinct ones).

The product of its (nonzero) digits is 13230, while the sum is 30.

The square root of 77330352 is about 8793.7677931590. The cubic root of 77330352 is about 426.0396268985.

It can be divided in two parts, 773 and 30352, that added together give a triangular number (31125 = T₂₄₉).

The spelling of 77330352 in words is "seventy-seven million, three hundred thirty thousand, three hundred fifty-two".