70488745 has 8 divisors (see below), whose sum is σ = 84806280. Its totient is φ = 56244480.

The previous prime is 70488731. The next prime is 70488779. The reversal of 70488745 is 54788407.

It can be written as a sum of positive squares in 4 ways, for example, as 1996569 + 68492176 = 1413^2 + 8276^2 .

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

It is not a de Polignac number, because 70488745 - 2¹⁵ = 70455977 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16176 + ... + 20065.

It is an arithmetic number, because the mean of its divisors is an integer number (10600785).

Almost surely, 2^70488745 is an apocalyptic number.

It is an amenable number.

70488745 is a deficient number, since it is larger than the sum of its proper divisors (14317535).

70488745 is a wasteful number, since it uses less digits than its factorization.

70488745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36635.

The product of its (nonzero) digits is 250880, while the sum is 43.

The square root of 70488745 is about 8395.7575596250. The cubic root of 70488745 is about 413.0854765460.

The spelling of 70488745 in words is "seventy million, four hundred eighty-eight thousand, seven hundred forty-five".