770630250 has 64 divisors (see below), whose sum is σ = 2071480320. Its totient is φ = 189691200.

The previous prime is 770630221. The next prime is 770630251. The reversal of 770630250 is 52036077.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (770630251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29770 + ... + 49269.

It is an arithmetic number, because the mean of its divisors is an integer number (32366880).

Almost surely, 2^770630250 is an apocalyptic number.

770630250 is an abundant number, since it is smaller than the sum of its proper divisors (1300850070).

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

770630250 is a wasteful number, since it uses less digits than its factorization.

770630250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79072 (or 79062 counting only the distinct ones).

The product of its (nonzero) digits is 8820, while the sum is 30.

The square root of 770630250 is about 27760.2278448863. The cubic root of 770630250 is about 916.8156488798.

The spelling of 770630250 in words is "seven hundred seventy million, six hundred thirty thousand, two hundred fifty".