70974142 has 4 divisors (see below), whose sum is σ = 106461216. Its totient is φ = 35487070.

The previous prime is 70974121. The next prime is 70974149. The reversal of 70974142 is 24147907.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 70974098 and 70974107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70974149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17743534 + ... + 17743537.

It is an arithmetic number, because the mean of its divisors is an integer number (26615304).

Almost surely, 2^70974142 is an apocalyptic number.

70974142 is a deficient number, since it is larger than the sum of its proper divisors (35487074).

70974142 is a wasteful number, since it uses less digits than its factorization.

70974142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35487073.

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 70974142 is about 8424.6152434399. The cubic root of 70974142 is about 414.0314996998.

The spelling of 70974142 in words is "seventy million, nine hundred seventy-four thousand, one hundred forty-two".