70745858 has 16 divisors (see below), whose sum is σ = 107520000. Its totient is φ = 34909056.

The previous prime is 70745809. The next prime is 70745881. The reversal of 70745858 is 85854707.

It is an alternating number because its digits alternate between odd and even.

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, 56018 + ... + 57266.

It is an arithmetic number, because the mean of its divisors is an integer number (6720000).

Almost surely, 2^70745858 is an apocalyptic number.

70745858 is a deficient number, since it is larger than the sum of its proper divisors (36774142).

70745858 is a wasteful number, since it uses less digits than its factorization.

70745858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601.

The product of its (nonzero) digits is 313600, while the sum is 44.

The square root of 70745858 is about 8411.0557006835. The cubic root of 70745858 is about 413.5871205616.

The spelling of 70745858 in words is "seventy million, seven hundred forty-five thousand, eight hundred fifty-eight".