70506242 has 16 divisors (see below), whose sum is σ = 112171392. Its totient is φ = 33122880.

The previous prime is 70506229. The next prime is 70506257. The reversal of 70506242 is 24260507.

It is a super-2 number, since 2×70506242² = 9942260321925128, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23867 + ... + 26657.

It is an arithmetic number, because the mean of its divisors is an integer number (7010712).

Almost surely, 2^70506242 is an apocalyptic number.

70506242 is a deficient number, since it is larger than the sum of its proper divisors (41665150).

70506242 is a wasteful number, since it uses less digits than its factorization.

70506242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3553.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 70506242 is about 8396.7995093369. The cubic root of 70506242 is about 413.1196529649.

Adding to 70506242 its reverse (24260507), we get a palindrome (94766749).

The spelling of 70506242 in words is "seventy million, five hundred six thousand, two hundred forty-two".