72898822 has 32 divisors (see below), whose sum is σ = 122565312. Its totient is φ = 32338944.

The previous prime is 72898811. The next prime is 72898823. The reversal of 72898822 is 22889827.

It is a Harshad number since it is a multiple of its sum of digits (46).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72898823) 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, 56448 + ... + 57724.

It is an arithmetic number, because the mean of its divisors is an integer number (3830166).

Almost surely, 2^72898822 is an apocalyptic number.

72898822 is a deficient number, since it is larger than the sum of its proper divisors (49666490).

72898822 is a wasteful number, since it uses less digits than its factorization.

72898822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1392.

The product of its digits is 258048, while the sum is 46.

The square root of 72898822 is about 8538.0806976744. The cubic root of 72898822 is about 417.7407448930.

The spelling of 72898822 in words is "seventy-two million, eight hundred ninety-eight thousand, eight hundred twenty-two".