70370402 has 4 divisors (see below), whose sum is σ = 105555606. Its totient is φ = 35185200.

The previous prime is 70370389. The next prime is 70370407. The reversal of 70370402 is 20407307.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 20407307 = 109 ⋅187223.

It can be written as a sum of positive squares in only one way, i.e., 67584841 + 2785561 = 8221^2 + 1669^2 .

It is not an unprimeable number, because it can be changed into a prime (70370407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17592599 + ... + 17592602.

Almost surely, 2^70370402 is an apocalyptic number.

70370402 is a deficient number, since it is larger than the sum of its proper divisors (35185204).

70370402 is a wasteful number, since it uses less digits than its factorization.

70370402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35185203.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 70370402 is about 8388.7068133295. The cubic root of 70370402 is about 412.8541717324.

Adding to 70370402 its reverse (20407307), we get a palindrome (90777709).

The spelling of 70370402 in words is "seventy million, three hundred seventy thousand, four hundred two".