72464213 has 8 divisors (see below), whose sum is σ = 74196000. Its totient is φ = 70749328.

The previous prime is 72464209. The next prime is 72464239. The reversal of 72464213 is 31246427.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72464213 - 2² = 72464209 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72464713) 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, 4670 + ... + 12912.

It is an arithmetic number, because the mean of its divisors is an integer number (9274500).

Almost surely, 2^72464213 is an apocalyptic number.

It is an amenable number.

72464213 is a deficient number, since it is larger than the sum of its proper divisors (1731787).

72464213 is a wasteful number, since it uses less digits than its factorization.

72464213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8451.

The product of its digits is 8064, while the sum is 29.

The square root of 72464213 is about 8512.5914385691. The cubic root of 72464213 is about 416.9089258556.

The spelling of 72464213 in words is "seventy-two million, four hundred sixty-four thousand, two hundred thirteen".