77125340 has 12 divisors (see below), whose sum is σ = 161963256. Its totient is φ = 30850128.

The previous prime is 77125339. The next prime is 77125361. The reversal of 77125340 is 4352177.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1928114 + ... + 1928153.

It is an arithmetic number, because the mean of its divisors is an integer number (13496938).

Almost surely, 2^77125340 is an apocalyptic number.

It is an amenable number.

77125340 is an abundant number, since it is smaller than the sum of its proper divisors (84837916).

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

77125340 is a wasteful number, since it uses less digits than its factorization.

77125340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3856276 (or 3856274 counting only the distinct ones).

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

The square root of 77125340 is about 8782.1033926959. The cubic root of 77125340 is about 425.6627997175.

The spelling of 77125340 in words is "seventy-seven million, one hundred twenty-five thousand, three hundred forty".