70637434 has 8 divisors (see below), whose sum is σ = 121092768. Its totient is φ = 30273180.

The previous prime is 70637429. The next prime is 70637443. The reversal of 70637434 is 43473607.

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

It is a self number, because there is not a number n which added to its sum of digits gives 70637434.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522752 + ... + 2522779.

It is an arithmetic number, because the mean of its divisors is an integer number (15136596).

Almost surely, 2^70637434 is an apocalyptic number.

70637434 is a deficient number, since it is larger than the sum of its proper divisors (50455334).

70637434 is a wasteful number, since it uses less digits than its factorization.

70637434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045540.

The product of its (nonzero) digits is 42336, while the sum is 34.

The square root of 70637434 is about 8404.6079028114. The cubic root of 70637434 is about 413.3757268057.

The spelling of 70637434 in words is "seventy million, six hundred thirty-seven thousand, four hundred thirty-four".