70918653 has 24 divisors (see below), whose sum is σ = 104804832. Its totient is φ = 42614208.

The previous prime is 70918651. The next prime is 70918657. The reversal of 70918653 is 35681907.

It is not a de Polignac number, because 70918653 - 2¹ = 70918651 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70918651) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20175 + ... + 23427.

It is an arithmetic number, because the mean of its divisors is an integer number (4366868).

Almost surely, 2^70918653 is an apocalyptic number.

It is an amenable number.

70918653 is a deficient number, since it is larger than the sum of its proper divisors (33886179).

70918653 is a wasteful number, since it uses less digits than its factorization.

70918653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3325 (or 3312 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 70918653 is about 8421.3213333776. The cubic root of 70918653 is about 413.9235722064.

The spelling of 70918653 in words is "seventy million, nine hundred eighteen thousand, six hundred fifty-three".