612369407 has 16 divisors (see below), whose sum is σ = 676515840. Its totient is φ = 550724832.

The previous prime is 612369403. The next prime is 612369413. The reversal of 612369407 is 704963216.

It is a cyclic number.

It is not a de Polignac number, because 612369407 - 2² = 612369403 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612369403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 266618 + ... + 268904.

It is an arithmetic number, because the mean of its divisors is an integer number (42282240).

Almost surely, 2^612369407 is an apocalyptic number.

612369407 is a deficient number, since it is larger than the sum of its proper divisors (64146433).

612369407 is a wasteful number, since it uses less digits than its factorization.

612369407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2822.

The product of its (nonzero) digits is 54432, while the sum is 38.

The square root of 612369407 is about 24746.0988238550. The cubic root of 612369407 is about 849.1892647933.

The spelling of 612369407 in words is "six hundred twelve million, three hundred sixty-nine thousand, four hundred seven".