70450641 has 40 divisors (see below), whose sum is σ = 109248480. Its totient is φ = 45214848.

The previous prime is 70450637. The next prime is 70450687. The reversal of 70450641 is 14605407.

It is not a de Polignac number, because 70450641 - 2² = 70450637 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (70450691) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 393490 + ... + 393668.

It is an arithmetic number, because the mean of its divisors is an integer number (2731212).

Almost surely, 2^70450641 is an apocalyptic number.

It is an amenable number.

70450641 is a deficient number, since it is larger than the sum of its proper divisors (38797839).

70450641 is a wasteful number, since it uses less digits than its factorization.

70450641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347 (or 338 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 70450641 is about 8393.4880115480. The cubic root of 70450641 is about 413.0110294549.

The spelling of 70450641 in words is "seventy million, four hundred fifty thousand, six hundred forty-one".