72907246 has 16 divisors (see below), whose sum is σ = 111976704. Its totient is φ = 35585784.

The previous prime is 72907243. The next prime is 72907253. The reversal of 72907246 is 64270927.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72907243) 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, 48421 + ... + 49903.

It is an arithmetic number, because the mean of its divisors is an integer number (6998544).

Almost surely, 2^72907246 is an apocalyptic number.

72907246 is a deficient number, since it is larger than the sum of its proper divisors (39069458).

72907246 is a wasteful number, since it uses less digits than its factorization.

72907246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2055.

The product of its (nonzero) digits is 42336, while the sum is 37.

The square root of 72907246 is about 8538.5740027243. The cubic root of 72907246 is about 417.7568352879.

It can be divided in two parts, 72907 and 246, that added together give a triangular number (73153 = T₃₈₂).

The spelling of 72907246 in words is "seventy-two million, nine hundred seven thousand, two hundred forty-six".