73642296 has 96 divisors (see below), whose sum is σ = 230685840. Its totient is φ = 19418112.

The previous prime is 73642291. The next prime is 73642319. The reversal of 73642296 is 69224637.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73642291) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12880 + ... + 17696.

Almost surely, 2^73642296 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73642296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115342920).

73642296 is an abundant number, since it is smaller than the sum of its proper divisors (157043544).

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

73642296 is a wasteful number, since it uses less digits than its factorization.

73642296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4853 (or 4842 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 73642296 is about 8581.5089582194. The cubic root of 73642296 is about 419.1560832098.

The spelling of 73642296 in words is "seventy-three million, six hundred forty-two thousand, two hundred ninety-six".