73552040 has 32 divisors (see below), whose sum is σ = 174204000. Its totient is φ = 27872064.

The previous prime is 73551971. The next prime is 73552043. The reversal of 73552040 is 4025537.

It is not an unprimeable number, because it can be changed into a prime (73552043) 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, 47630 + ... + 49149.

It is an arithmetic number, because the mean of its divisors is an integer number (5443875).

Almost surely, 2^73552040 is an apocalyptic number.

It is an amenable number.

73552040 is an abundant number, since it is smaller than the sum of its proper divisors (100651960).

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

73552040 is a wasteful number, since it uses less digits than its factorization.

73552040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96809 (or 96805 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 26.

The square root of 73552040 is about 8576.2485971432. The cubic root of 73552040 is about 418.9847739695.

Adding to 73552040 its reverse (4025537), we get a palindrome (77577577).

The spelling of 73552040 in words is "seventy-three million, five hundred fifty-two thousand, forty".