736720632 has 24 divisors (see below), whose sum is σ = 1995285240. Its totient is φ = 245573520.

The previous prime is 736720631. The next prime is 736720679. The reversal of 736720632 is 236027637.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×736720632² = 1085514579228958848, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (736720631) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 5116044 + ... + 5116187.

It is an arithmetic number, because the mean of its divisors is an integer number (83136885).

Almost surely, 2^736720632 is an apocalyptic number.

736720632 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

736720632 is an abundant number, since it is smaller than the sum of its proper divisors (1258564608).

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

736720632 is a wasteful number, since it uses less digits than its factorization.

736720632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10232243 (or 10232236 counting only the distinct ones).

The product of its (nonzero) digits is 63504, while the sum is 36.

The square root of 736720632 is about 27142.5981070346. The cubic root of 736720632 is about 903.1660640197.

The spelling of 736720632 in words is "seven hundred thirty-six million, seven hundred twenty thousand, six hundred thirty-two".