104021672 has 8 divisors (see below), whose sum is σ = 195040650. Its totient is φ = 52010832.

The previous prime is 104021639. The next prime is 104021677. The reversal of 104021672 is 276120401.

It can be written as a sum of positive squares in only one way, i.e., 99720196 + 4301476 = 9986^2 + 2074^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (104021677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501347 + ... + 6501362.

Almost surely, 2^104021672 is an apocalyptic number.

It is an amenable number.

104021672 is a deficient number, since it is larger than the sum of its proper divisors (91018978).

104021672 is a wasteful number, since it uses less digits than its factorization.

104021672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13002715 (or 13002711 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 23.

The square root of 104021672 is about 10199.1015290564. The cubic root of 104021672 is about 470.2996007404.

The spelling of 104021672 in words is "one hundred four million, twenty-one thousand, six hundred seventy-two".