690157010 has 16 divisors (see below), whose sum is σ = 1242924696. Its totient is φ = 275920128.

The previous prime is 690156983. The next prime is 690157033. The reversal of 690157010 is 10751096.

It is a happy number.

690157010 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 426711649 + 263445361 = 20657^2 + 16231^2 .

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, 3722 + ... + 37338.

Almost surely, 2^690157010 is an apocalyptic number.

690157010 is a deficient number, since it is larger than the sum of its proper divisors (552767686).

690157010 is a wasteful number, since it uses less digits than its factorization.

690157010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35677.

The product of its (nonzero) digits is 1890, while the sum is 29.

The square root of 690157010 is about 26270.8395374034. The cubic root of 690157010 is about 883.7226126472.

The spelling of 690157010 in words is "six hundred ninety million, one hundred fifty-seven thousand, ten".