72351950 has 36 divisors (see below), whose sum is σ = 147933240. Its totient is φ = 26307600.

The previous prime is 72351947. The next prime is 72351953. The reversal of 72351950 is 5915327.

It is an interprime number because it is at equal distance from previous prime (72351947) and next prime (72351953).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72351953) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 71 + ... + 12029.

Almost surely, 2^72351950 is an apocalyptic number.

72351950 is an abundant number, since it is smaller than the sum of its proper divisors (75581290).

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

72351950 is a wasteful number, since it uses less digits than its factorization.

72351950 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11993 (or 11977 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 72351950 is about 8505.9949447434. The cubic root of 72351950 is about 416.6935200471.

The spelling of 72351950 in words is "seventy-two million, three hundred fifty-one thousand, nine hundred fifty".