70616677 has 4 divisors (see below), whose sum is σ = 70645420. Its totient is φ = 70587936.

The previous prime is 70616659. The next prime is 70616717. The reversal of 70616677 is 77661607.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77661607 = 19 ⋅4087453.

It can be written as a sum of positive squares in 2 ways, for example, as 38365636 + 32251041 = 6194^2 + 5679^2 .

It is a cyclic number.

It is not a de Polignac number, because 70616677 - 2⁷ = 70616549 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 (70616627) 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, 10302 + ... + 15727.

It is an arithmetic number, because the mean of its divisors is an integer number (17661355).

Almost surely, 2^70616677 is an apocalyptic number.

It is an amenable number.

70616677 is a deficient number, since it is larger than the sum of its proper divisors (28743).

70616677 is a wasteful number, since it uses less digits than its factorization.

70616677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28742.

The product of its (nonzero) digits is 74088, while the sum is 40.

The square root of 70616677 is about 8403.3729537609. The cubic root of 70616677 is about 413.3352323158.

The spelling of 70616677 in words is "seventy million, six hundred sixteen thousand, six hundred seventy-seven".