690076280 has 32 divisors (see below), whose sum is σ = 1560492000. Its totient is φ = 274640256.

The previous prime is 690076229. The next prime is 690076301. The reversal of 690076280 is 82670096.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35387 + ... + 51306.

It is an arithmetic number, because the mean of its divisors is an integer number (48765375).

Almost surely, 2^690076280 is an apocalyptic number.

It is an amenable number.

690076280 is an abundant number, since it is smaller than the sum of its proper divisors (870415720).

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

690076280 is a wasteful number, since it uses less digits than its factorization.

690076280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86903 (or 86899 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 690076280 is about 26269.3029979861. The cubic root of 690076280 is about 883.6881539625.

The spelling of 690076280 in words is "six hundred ninety million, seventy-six thousand, two hundred eighty".