70614649 has 4 divisors (see below), whose sum is σ = 80702464. Its totient is φ = 60526836.

The previous prime is 70614631. The next prime is 70614671. The reversal of 70614649 is 94641607.

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, and also an emirpimes, since its reverse is a distinct semiprime: 94641607 = 107 ⋅884501.

It is a cyclic number.

It is not a de Polignac number, because 70614649 - 2⁷ = 70614521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70614689) 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, 5043897 + ... + 5043910.

It is an arithmetic number, because the mean of its divisors is an integer number (20175616).

Almost surely, 2^70614649 is an apocalyptic number.

It is an amenable number.

70614649 is a deficient number, since it is larger than the sum of its proper divisors (10087815).

70614649 is a wasteful number, since it uses less digits than its factorization.

70614649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10087814.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 70614649 is about 8403.2522870612. The cubic root of 70614649 is about 413.3312754985.

The spelling of 70614649 in words is "seventy million, six hundred fourteen thousand, six hundred forty-nine".