7072407 has 16 divisors (see below), whose sum is σ = 10548480. Its totient is φ = 4683096.

The previous prime is 7072399. The next prime is 7072411. The reversal of 7072407 is 7042707.

It is a happy number.

7072407 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 7072407 - 2³ = 7072399 is a prime.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7072447) 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, 3598 + ... + 5204.

It is an arithmetic number, because the mean of its divisors is an integer number (659280).

Almost surely, 2^7072407 is an apocalyptic number.

7072407 is a deficient number, since it is larger than the sum of its proper divisors (3476073).

7072407 is a wasteful number, since it uses less digits than its factorization.

7072407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1779 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 2744, while the sum is 27.

The square root of 7072407 is about 2659.3997443032. The cubic root of 7072407 is about 191.9504266547.

The spelling of 7072407 in words is "seven million, seventy-two thousand, four hundred seven".