72706510 has 16 divisors (see below), whose sum is σ = 133018272. Its totient is φ = 28605600.

The previous prime is 72706499. The next prime is 72706523. The reversal of 72706510 is 1560727.

It is a plaindrome in base 16.

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, 58986 + ... + 60205.

It is an arithmetic number, because the mean of its divisors is an integer number (8313642).

Almost surely, 2^72706510 is an apocalyptic number.

72706510 is a deficient number, since it is larger than the sum of its proper divisors (60311762).

72706510 is a wasteful number, since it uses less digits than its factorization.

72706510 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119259.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 72706510 is about 8526.8112445392. The cubic root of 72706510 is about 417.3730786580.

The spelling of 72706510 in words is "seventy-two million, seven hundred six thousand, five hundred ten".