72204476 has 6 divisors (see below), whose sum is σ = 126357840. Its totient is φ = 36102236.

The previous prime is 72204469. The next prime is 72204479. The reversal of 72204476 is 67440227.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72204479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9025556 + ... + 9025563.

It is an arithmetic number, because the mean of its divisors is an integer number (21059640).

Almost surely, 2^72204476 is an apocalyptic number.

It is an amenable number.

72204476 is a deficient number, since it is larger than the sum of its proper divisors (54153364).

72204476 is a wasteful number, since it uses less digits than its factorization.

72204476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18051123 (or 18051121 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 72204476 is about 8497.3216956874. The cubic root of 72204476 is about 416.4102138869.

The spelling of 72204476 in words is "seventy-two million, two hundred four thousand, four hundred seventy-six".