70577663 has 8 divisors (see below), whose sum is σ = 77774928. Its totient is φ = 63633024.

The previous prime is 70577603. The next prime is 70577681. The reversal of 70577663 is 36677507.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70577663 - 2¹² = 70573567 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 70577663.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70577603) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62570 + ... + 63687.

It is an arithmetic number, because the mean of its divisors is an integer number (9721866).

Almost surely, 2^70577663 is an apocalyptic number.

70577663 is a deficient number, since it is larger than the sum of its proper divisors (7197265).

70577663 is a wasteful number, since it uses less digits than its factorization.

70577663 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 126313.

The product of its (nonzero) digits is 185220, while the sum is 41.

The square root of 70577663 is about 8401.0513032596. The cubic root of 70577663 is about 413.2590990658.

The spelling of 70577663 in words is "seventy million, five hundred seventy-seven thousand, six hundred sixty-three".