732672040 has 32 divisors (see below), whose sum is σ = 1665515880. Its totient is φ = 290045952.

The previous prime is 732672029. The next prime is 732672043. The reversal of 732672040 is 40276237.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 702356004 + 30316036 = 26502^2 + 5506^2 .

It is a super-3 number, since 3×732672040³ (a number of 28 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 732671993 and 732672011.

It is not an unprimeable number, because it can be changed into a prime (732672043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 90537 + ... + 98296.

Almost surely, 2^732672040 is an apocalyptic number.

It is an amenable number.

732672040 is an abundant number, since it is smaller than the sum of its proper divisors (932843840).

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

732672040 is a wasteful number, since it uses less digits than its factorization.

732672040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188941 (or 188937 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 31.

The square root of 732672040 is about 27067.9153242358. The cubic root of 732672040 is about 901.5085974189.

The spelling of 732672040 in words is "seven hundred thirty-two million, six hundred seventy-two thousand, forty".