72429950 has 48 divisors (see below), whose sum is σ = 140990976. Its totient is φ = 27650400.

The previous prime is 72429947. The next prime is 72429977. The reversal of 72429950 is 5992427.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128369 + ... + 128931.

It is an arithmetic number, because the mean of its divisors is an integer number (2937312).

Almost surely, 2^72429950 is an apocalyptic number.

72429950 is a deficient number, since it is larger than the sum of its proper divisors (68561026).

72429950 is a wasteful number, since it uses less digits than its factorization.

72429950 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 684 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 72429950 is about 8510.5787112276. The cubic root of 72429950 is about 416.8432069677.

The spelling of 72429950 in words is "seventy-two million, four hundred twenty-nine thousand, nine hundred fifty".