70400322 has 12 divisors (see below), whose sum is σ = 152534070. Its totient is φ = 23466768.

The previous prime is 70400293. The next prime is 70400357. The reversal of 70400322 is 22300407.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 64304361 + 6095961 = 8019^2 + 2469^2 .

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: 3911129 = 70400322 / (7 + 0 + 4 + 0 + 0 + 3 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 70400295 and 70400304.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1955547 + ... + 1955582.

Almost surely, 2^70400322 is an apocalyptic number.

70400322 is an abundant number, since it is smaller than the sum of its proper divisors (82133748).

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

70400322 is a wasteful number, since it uses less digits than its factorization.

70400322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3911137 (or 3911134 counting only the distinct ones).

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

The square root of 70400322 is about 8390.4899737739. The cubic root of 70400322 is about 412.9126757161.

Adding to 70400322 its reverse (22300407), we get a palindrome (92700729).

The spelling of 70400322 in words is "seventy million, four hundred thousand, three hundred twenty-two".