612407069 has 4 divisors (see below), whose sum is σ = 644639040. Its totient is φ = 580175100.

The previous prime is 612407063. The next prime is 612407087. The reversal of 612407069 is 960704216.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 612407069 - 2⁸ = 612406813 is a prime.

It is a super-2 number, since 2×612407069² = 750084836322341522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612407063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16115957 + ... + 16115994.

It is an arithmetic number, because the mean of its divisors is an integer number (161159760).

Almost surely, 2^612407069 is an apocalyptic number.

It is an amenable number.

612407069 is a deficient number, since it is larger than the sum of its proper divisors (32231971).

612407069 is a wasteful number, since it uses less digits than its factorization.

612407069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32231970.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 612407069 is about 24746.8597805863. The cubic root of 612407069 is about 849.2066734086.

The spelling of 612407069 in words is "six hundred twelve million, four hundred seven thousand, sixty-nine".