70649365 has 16 divisors (see below), whose sum is σ = 92864880. Its totient is φ = 51358720.

The previous prime is 70649363. The next prime is 70649377. The reversal of 70649365 is 56394607.

It can be written as a sum of positive squares in 8 ways, for example, as 11881809 + 58767556 = 3447^2 + 7666^2 .

It is not a de Polignac number, because 70649365 - 2¹ = 70649363 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70649363) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11866 + ... + 16795.

It is an arithmetic number, because the mean of its divisors is an integer number (5804055).

Almost surely, 2^70649365 is an apocalyptic number.

It is an amenable number.

70649365 is a deficient number, since it is larger than the sum of its proper divisors (22215515).

70649365 is a wasteful number, since it uses less digits than its factorization.

70649365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28712.

The product of its (nonzero) digits is 136080, while the sum is 40.

The square root of 70649365 is about 8405.3176620518. The cubic root of 70649365 is about 413.3989992070.

The spelling of 70649365 in words is "seventy million, six hundred forty-nine thousand, three hundred sixty-five".