72100750 has 16 divisors (see below), whose sum is σ = 134973072. Its totient is φ = 28840200.

The previous prime is 72100739. The next prime is 72100783. The reversal of 72100750 is 5700127.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143952 + ... + 144451.

It is an arithmetic number, because the mean of its divisors is an integer number (8435817).

Almost surely, 2^72100750 is an apocalyptic number.

72100750 is a deficient number, since it is larger than the sum of its proper divisors (62872322).

72100750 is a wasteful number, since it uses less digits than its factorization.

72100750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288420 (or 288410 counting only the distinct ones).

The product of its (nonzero) digits is 490, while the sum is 22.

The square root of 72100750 is about 8491.2160495420. The cubic root of 72100750 is about 416.2107190280.

Adding to 72100750 its reverse (5700127), we get a palindrome (77800877).

The spelling of 72100750 in words is "seventy-two million, one hundred thousand, seven hundred fifty".