72107254 has 8 divisors (see below), whose sum is σ = 112863600. Its totient is φ = 34486056.

The previous prime is 72107219. The next prime is 72107267. The reversal of 72107254 is 45270127.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 783729 + ... + 783820.

It is an arithmetic number, because the mean of its divisors is an integer number (14107950).

Almost surely, 2^72107254 is an apocalyptic number.

72107254 is a deficient number, since it is larger than the sum of its proper divisors (40756346).

72107254 is a wasteful number, since it uses less digits than its factorization.

72107254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1567574.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 72107254 is about 8491.5990249187. The cubic root of 72107254 is about 416.2232337065.

It can be divided in two parts, 72107 and 254, that added together give a square (72361 = 269²).

The spelling of 72107254 in words is "seventy-two million, one hundred seven thousand, two hundred fifty-four".