73490252220 has 144 divisors (see below), whose sum is σ = 277926824448. Its totient is φ = 15270698880.

The previous prime is 73490252201. The next prime is 73490252243. The reversal of 73490252220 is 2225209437.

73490252220 is a `hidden beast` number, since 73 + 49 + 0 + 2 + 522 + 20 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2637304 + ... + 2665023.

It is an arithmetic number, because the mean of its divisors is an integer number (1930047392).

Almost surely, 2^73490252220 is an apocalyptic number.

73490252220 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

73490252220 is an abundant number, since it is smaller than the sum of its proper divisors (204436572228).

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

73490252220 is a wasteful number, since it uses less digits than its factorization.

73490252220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5302360 (or 5302355 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The spelling of 73490252220 in words is "seventy-three billion, four hundred ninety million, two hundred fifty-two thousand, two hundred twenty".