72607406 has 16 divisors (see below), whose sum is σ = 112287600. Its totient is φ = 35195328.

The previous prime is 72607393. The next prime is 72607429. The reversal of 72607406 is 60470627.

It is a happy number.

It is a Curzon number.

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, 4400 + ... + 12828.

It is an arithmetic number, because the mean of its divisors is an integer number (7017975).

Almost surely, 2^72607406 is an apocalyptic number.

72607406 is a deficient number, since it is larger than the sum of its proper divisors (39680194).

72607406 is a wasteful number, since it uses less digits than its factorization.

72607406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8563.

The product of its (nonzero) digits is 14112, while the sum is 32.

The square root of 72607406 is about 8520.9979462502. The cubic root of 72607406 is about 417.1833563093.

The spelling of 72607406 in words is "seventy-two million, six hundred seven thousand, four hundred six".