73920490 has 16 divisors (see below), whose sum is σ = 152065152. Its totient is φ = 25344144.

The previous prime is 73920481. The next prime is 73920491. The reversal of 73920490 is 9402937.

It is not an unprimeable number, because it can be changed into a prime (73920491) 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, 527934 + ... + 528073.

It is an arithmetic number, because the mean of its divisors is an integer number (9504072).

Almost surely, 2^73920490 is an apocalyptic number.

73920490 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

73920490 is an abundant number, since it is smaller than the sum of its proper divisors (78144662).

73920490 is a wasteful number, since it uses less digits than its factorization.

73920490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056021.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 73920490 is about 8597.7026001136. The cubic root of 73920490 is about 419.6832267512.

The spelling of 73920490 in words is "seventy-three million, nine hundred twenty thousand, four hundred ninety".