70445494 has 8 divisors (see below), whose sum is σ = 120763728. Its totient is φ = 30190920.

The previous prime is 70445491. The next prime is 70445497. The reversal of 70445494 is 49454407.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (70445491) and next prime (70445497).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70445491) 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, 2515897 + ... + 2515924.

It is an arithmetic number, because the mean of its divisors is an integer number (15095466).

Almost surely, 2^70445494 is an apocalyptic number.

70445494 is a deficient number, since it is larger than the sum of its proper divisors (50318234).

70445494 is a wasteful number, since it uses less digits than its factorization.

70445494 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5031830.

The product of its (nonzero) digits is 80640, while the sum is 37.

The square root of 70445494 is about 8393.1813992073. The cubic root of 70445494 is about 413.0009712567. Note that the first 3 decimals are identical.

The spelling of 70445494 in words is "seventy million, four hundred forty-five thousand, four hundred ninety-four".