72736070 has 16 divisors (see below), whose sum is σ = 142827408. Its totient is φ = 26449440.

The previous prime is 72736061. The next prime is 72736073. The reversal of 72736070 is 7063727.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72736073) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 330509 + ... + 330728.

It is an arithmetic number, because the mean of its divisors is an integer number (8926713).

Almost surely, 2^72736070 is an apocalyptic number.

72736070 is a deficient number, since it is larger than the sum of its proper divisors (70091338).

72736070 is a wasteful number, since it uses less digits than its factorization.

72736070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 661255.

The product of its (nonzero) digits is 12348, while the sum is 32.

The square root of 72736070 is about 8528.5444244607. The cubic root of 72736070 is about 417.4296342382.

Adding to 72736070 its reverse (7063727), we get a palindrome (79799797).

The spelling of 72736070 in words is "seventy-two million, seven hundred thirty-six thousand, seventy".