72650898 has 32 divisors (see below), whose sum is σ = 162940800. Its totient is φ = 23992848.

The previous prime is 72650891. The next prime is 72650923. The reversal of 72650898 is 89805627.

It is not an unprimeable number, because it can be changed into a prime (72650891) 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, 286 + ... + 12057.

It is an arithmetic number, because the mean of its divisors is an integer number (5091900).

Almost surely, 2^72650898 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 72650898, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81470400).

72650898 is an abundant number, since it is smaller than the sum of its proper divisors (90289902).

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

72650898 is a wasteful number, since it uses less digits than its factorization.

72650898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12463 (or 12457 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 45.

The square root of 72650898 is about 8523.5496126907. The cubic root of 72650898 is about 417.2666376068.

The spelling of 72650898 in words is "seventy-two million, six hundred fifty thousand, eight hundred ninety-eight".