72474098 has 4 divisors (see below), whose sum is σ = 108711150. Its totient is φ = 36237048.

The previous prime is 72474091. The next prime is 72474131. The reversal of 72474098 is 89047427.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 60481729 + 11992369 = 7777^2 + 3463^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (72474091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 18118523 + ... + 18118526.

Almost surely, 2^72474098 is an apocalyptic number.

72474098 is a deficient number, since it is larger than the sum of its proper divisors (36237052).

72474098 is a wasteful number, since it uses less digits than its factorization.

72474098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36237051.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 72474098 is about 8513.1720292732. The cubic root of 72474098 is about 416.9278821431.

The spelling of 72474098 in words is "seventy-two million, four hundred seventy-four thousand, ninety-eight".