70302042 has 12 divisors (see below), whose sum is σ = 152321130. Its totient is φ = 23434008.

The previous prime is 70302019. The next prime is 70302049. The reversal of 70302042 is 24020307.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 63536841 + 6765201 = 7971^2 + 2601^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 3905669 = 70302042 / (7 + 0 + 3 + 0 + 2 + 0 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (70302049) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1952817 + ... + 1952852.

Almost surely, 2^70302042 is an apocalyptic number.

70302042 is an abundant number, since it is smaller than the sum of its proper divisors (82019088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70302042 is a wasteful number, since it uses less digits than its factorization.

70302042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3905677 (or 3905674 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 70302042 is about 8384.6312977972. The cubic root of 70302042 is about 412.7204419534.

Adding to 70302042 its reverse (24020307), we get a palindrome (94322349).

The spelling of 70302042 in words is "seventy million, three hundred two thousand, forty-two".