70420702 has 8 divisors (see below), whose sum is σ = 115233912. Its totient is φ = 32009400.

The previous prime is 70420697. The next prime is 70420709. The reversal of 70420702 is 20702407.

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

It is a Harshad number since it is a multiple of its sum of digits (22), and also a Moran number because the ratio is a prime number: 3200941 = 70420702 / (7 + 0 + 4 + 2 + 0 + 7 + 0 + 2).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70420709) 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, 1600449 + ... + 1600492.

It is an arithmetic number, because the mean of its divisors is an integer number (14404239).

Almost surely, 2^70420702 is an apocalyptic number.

70420702 is a deficient number, since it is larger than the sum of its proper divisors (44813210).

70420702 is a wasteful number, since it uses less digits than its factorization.

70420702 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3200954.

The product of its (nonzero) digits is 784, while the sum is 22.

The square root of 70420702 is about 8391.7043560888. The cubic root of 70420702 is about 412.9525161988.

The spelling of 70420702 in words is "seventy million, four hundred twenty thousand, seven hundred two".