73261880 has 32 divisors (see below), whose sum is σ = 165518640. Its totient is φ = 29184000.

The previous prime is 73261873. The next prime is 73261883. The reversal of 73261880 is 8816237.

It is a super-2 number, since 2×73261880² = 10734606122268800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 73261880.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73261883) 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, 6392 + ... + 13688.

Almost surely, 2^73261880 is an apocalyptic number.

It is an amenable number.

73261880 is an abundant number, since it is smaller than the sum of its proper divisors (92256760).

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

73261880 is a wasteful number, since it uses less digits than its factorization.

73261880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7559 (or 7555 counting only the distinct ones).

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

The square root of 73261880 is about 8559.3153931842. The cubic root of 73261880 is about 418.4330882072.

The spelling of 73261880 in words is "seventy-three million, two hundred sixty-one thousand, eight hundred eighty".