77060970 has 80 divisors (see below), whose sum is σ = 236827008. Its totient is φ = 17612640.

The previous prime is 77060969. The next prime is 77060989. The reversal of 77060970 is 7906077.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1126 + ... + 12465.

Almost surely, 2^77060970 is an apocalyptic number.

77060970 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 77060970, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (118413504).

77060970 is an abundant number, since it is smaller than the sum of its proper divisors (159766038).

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

77060970 is a wasteful number, since it uses less digits than its factorization.

77060970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13617 (or 13608 counting only the distinct ones).

The product of its (nonzero) digits is 18522, while the sum is 36.

The square root of 77060970 is about 8778.4377881261. The cubic root of 77060970 is about 425.5443451743.

The spelling of 77060970 in words is "seventy-seven million, sixty thousand, nine hundred seventy".