72174098 has 8 divisors (see below), whose sum is σ = 111994380. Its totient is φ = 34842640.

The previous prime is 72174083. The next prime is 72174101. The reversal of 72174098 is 89047127.

It can be written as a sum of positive squares in 2 ways, for example, as 62520649 + 9653449 = 7907^2 + 3107^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×72174098² = 10418200844227208, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 622133 + ... + 622248.

Almost surely, 2^72174098 is an apocalyptic number.

72174098 is a deficient number, since it is larger than the sum of its proper divisors (39820282).

72174098 is a wasteful number, since it uses less digits than its factorization.

72174098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1244412.

The product of its (nonzero) digits is 28224, while the sum is 38.

The square root of 72174098 is about 8495.5340032278. The cubic root of 72174098 is about 416.3518080715.

The spelling of 72174098 in words is "seventy-two million, one hundred seventy-four thousand, ninety-eight".