770136924 has 72 divisors (see below), whose sum is σ = 1945172880. Its totient is φ = 236332544.

The previous prime is 770136911. The next prime is 770136947. The reversal of 770136924 is 429631077.

It is a super-2 number, since 2×770136924² = 1186221763416363552, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 449782 + ... + 451490.

It is an arithmetic number, because the mean of its divisors is an integer number (27016290).

Almost surely, 2^770136924 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 770136924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (972586440).

770136924 is an abundant number, since it is smaller than the sum of its proper divisors (1175035956).

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

770136924 is a wasteful number, since it uses less digits than its factorization.

770136924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1827 (or 1778 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 39.

The square root of 770136924 is about 27751.3409405744. The cubic root of 770136924 is about 916.6199711457.

The spelling of 770136924 in words is "seven hundred seventy million, one hundred thirty-six thousand, nine hundred twenty-four".