72070510 has 32 divisors (see below), whose sum is σ = 134861760. Its totient is φ = 27697152.

The previous prime is 72070507. The next prime is 72070517. The reversal of 72070510 is 1507027.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72070517) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74047 + ... + 75013.

It is an arithmetic number, because the mean of its divisors is an integer number (4214430).

Almost surely, 2^72070510 is an apocalyptic number.

72070510 is a deficient number, since it is larger than the sum of its proper divisors (62791250).

72070510 is a wasteful number, since it uses less digits than its factorization.

72070510 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260.

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

The square root of 72070510 is about 8489.4351991166. The cubic root of 72070510 is about 416.1525228134.

Adding to 72070510 its reverse (1507027), we get a palindrome (73577537).

The spelling of 72070510 in words is "seventy-two million, seventy thousand, five hundred ten".