70403112 has 48 divisors (see below), whose sum is σ = 205345140. Its totient is φ = 21662208.

The previous prime is 70403101. The next prime is 70403143. The reversal of 70403112 is 21130407.

It can be written as a sum of positive squares in 2 ways, for example, as 56160036 + 14243076 = 7494^2 + 3774^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36673 + ... + 38544.

Almost surely, 2^70403112 is an apocalyptic number.

70403112 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

70403112 is an abundant number, since it is smaller than the sum of its proper divisors (134942028).

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

70403112 is a wasteful number, since it uses less digits than its factorization.

70403112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75242 (or 75235 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 70403112 is about 8390.6562317854. The cubic root of 70403112 is about 412.9181302893.

Adding to 70403112 its reverse (21130407), we get a palindrome (91533519).

The spelling of 70403112 in words is "seventy million, four hundred three thousand, one hundred twelve".