69922477 has 4 divisors (see below), whose sum is σ = 70601440. Its totient is φ = 69243516.

The previous prime is 69922469. The next prime is 69922481. The reversal of 69922477 is 77422996.

It is a happy number.

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 69922477 - 2³ = 69922469 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69922427) 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, 339327 + ... + 339532.

It is an arithmetic number, because the mean of its divisors is an integer number (17650360).

Almost surely, 2^69922477 is an apocalyptic number.

It is an amenable number.

69922477 is a deficient number, since it is larger than the sum of its proper divisors (678963).

69922477 is a wasteful number, since it uses less digits than its factorization.

69922477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678962.

The product of its digits is 381024, while the sum is 46.

The square root of 69922477 is about 8361.9660965589. The cubic root of 69922477 is about 411.9763335920.

The spelling of 69922477 in words is "sixty-nine million, nine hundred twenty-two thousand, four hundred seventy-seven".