736872690 has 32 divisors (see below), whose sum is σ = 1773262656. Its totient is φ = 195969600.

The previous prime is 736872641. The next prime is 736872691. The reversal of 736872690 is 96278637.

It is a super-2 number, since 2×736872690² = 1085962722535672200, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (736872691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21736 + ... + 44115.

It is an arithmetic number, because the mean of its divisors is an integer number (55414458).

Almost surely, 2^736872690 is an apocalyptic number.

736872690 is an abundant number, since it is smaller than the sum of its proper divisors (1036389966).

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

736872690 is a wasteful number, since it uses less digits than its factorization.

736872690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66234.

The product of its (nonzero) digits is 762048, while the sum is 48.

The square root of 736872690 is about 27145.3990576672. The cubic root of 736872690 is about 903.2281971051.

The spelling of 736872690 in words is "seven hundred thirty-six million, eight hundred seventy-two thousand, six hundred ninety".