672748038 has 32 divisors (see below), whose sum is σ = 1582938720. Its totient is φ = 211057920.

The previous prime is 672748033. The next prime is 672748039. The reversal of 672748038 is 830847276.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 672747984 and 672748002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (672748033) 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, 365503 + ... + 367338.

It is an arithmetic number, because the mean of its divisors is an integer number (49466835).

Almost surely, 2^672748038 is an apocalyptic number.

672748038 is an abundant number, since it is smaller than the sum of its proper divisors (910190682).

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

672748038 is a wasteful number, since it uses less digits than its factorization.

672748038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732869 (or 732863 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The square root of 672748038 is about 25937.3868768617. The cubic root of 672748038 is about 876.2287120957.

The spelling of 672748038 in words is "six hundred seventy-two million, seven hundred forty-eight thousand, thirty-eight".