77406076 has 48 divisors (see below), whose sum is σ = 158578560. Its totient is φ = 32685120.

The previous prime is 77406071. The next prime is 77406089. The reversal of 77406076 is 67060477.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77406071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43435 + ... + 45181.

It is an arithmetic number, because the mean of its divisors is an integer number (3303720).

Almost surely, 2^77406076 is an apocalyptic number.

77406076 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

77406076 is an abundant number, since it is smaller than the sum of its proper divisors (81172484).

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

77406076 is a wasteful number, since it uses less digits than its factorization.

77406076 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1834 (or 1832 counting only the distinct ones).

The product of its (nonzero) digits is 49392, while the sum is 37.

The square root of 77406076 is about 8798.0722888596. The cubic root of 77406076 is about 426.1786447579.

The spelling of 77406076 in words is "seventy-seven million, four hundred six thousand, seventy-six".