42970294 has 4 divisors (see below), whose sum is σ = 64455444. Its totient is φ = 21485146.

The previous prime is 42970243. The next prime is 42970303. The reversal of 42970294 is 49207924.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10742572 + ... + 10742575.

It is an arithmetic number, because the mean of its divisors is an integer number (16113861).

Almost surely, 2^42970294 is an apocalyptic number.

42970294 is a deficient number, since it is larger than the sum of its proper divisors (21485150).

42970294 is a wasteful number, since it uses less digits than its factorization.

42970294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21485149.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 42970294 is about 6555.1730717045. The cubic root of 42970294 is about 350.2591115289.

It can be divided in two parts, 42970 and 294, that added together give a square (43264 = 208²).

The spelling of 42970294 in words is "forty-two million, nine hundred seventy thousand, two hundred ninety-four".