72401498 has 16 divisors (see below), whose sum is σ = 119165256. Its totient is φ = 32784960.

The previous prime is 72401491. The next prime is 72401501. The reversal of 72401498 is 89410427.

It can be written as a sum of positive squares in 4 ways, for example, as 71284249 + 1117249 = 8443^2 + 1057^2 .

It is not an unprimeable number, because it can be changed into a prime (72401491) 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, 24893 + ... + 27648.

Almost surely, 2^72401498 is an apocalyptic number.

72401498 is a deficient number, since it is larger than the sum of its proper divisors (46763758).

72401498 is a wasteful number, since it uses less digits than its factorization.

72401498 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52609.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 72401498 is about 8508.9069803354. The cubic root of 72401498 is about 416.7886182410.

The spelling of 72401498 in words is "seventy-two million, four hundred one thousand, four hundred ninety-eight".