72481629 has 8 divisors (see below), whose sum is σ = 105427872. Its totient is φ = 43928240.

The previous prime is 72481613. The next prime is 72481663. The reversal of 72481629 is 92618427.

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 72481629 - 2⁴ = 72481613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72481609) 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, 1098174 + ... + 1098239.

It is an arithmetic number, because the mean of its divisors is an integer number (13178484).

Almost surely, 2^72481629 is an apocalyptic number.

It is an amenable number.

72481629 is a deficient number, since it is larger than the sum of its proper divisors (32946243).

72481629 is a wasteful number, since it uses less digits than its factorization.

72481629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2196427.

The product of its digits is 48384, while the sum is 39.

The square root of 72481629 is about 8513.6143323503. The cubic root of 72481629 is about 416.9423230501.

The spelling of 72481629 in words is "seventy-two million, four hundred eighty-one thousand, six hundred twenty-nine".