77352140 has 24 divisors (see below), whose sum is σ = 162790992. Its totient is φ = 30873920.

The previous prime is 77352137. The next prime is 77352167. The reversal of 77352140 is 4125377.

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, 5882 + ... + 13758.

It is an arithmetic number, because the mean of its divisors is an integer number (6782958).

Almost surely, 2^77352140 is an apocalyptic number.

It is an amenable number.

77352140 is an abundant number, since it is smaller than the sum of its proper divisors (85438852).

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

77352140 is a wasteful number, since it uses less digits than its factorization.

77352140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8377 (or 8375 counting only the distinct ones).

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 77352140 is about 8795.0065378031. The cubic root of 77352140 is about 426.0796356812.

The spelling of 77352140 in words is "seventy-seven million, three hundred fifty-two thousand, one hundred forty".