70764242 has 4 divisors (see below), whose sum is σ = 106146366. Its totient is φ = 35382120.

The previous prime is 70764233. The next prime is 70764247. The reversal of 70764242 is 24246707.

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

It can be written as a sum of positive squares in only one way, i.e., 70744921 + 19321 = 8411^2 + 139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70764199 and 70764208.

It is not an unprimeable number, because it can be changed into a prime (70764247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17691059 + ... + 17691062.

Almost surely, 2^70764242 is an apocalyptic number.

70764242 is a deficient number, since it is larger than the sum of its proper divisors (35382124).

70764242 is a wasteful number, since it uses less digits than its factorization.

70764242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35382123.

The product of its (nonzero) digits is 18816, while the sum is 32.

The square root of 70764242 is about 8412.1484770539. The cubic root of 70764242 is about 413.6229423390.

The spelling of 70764242 in words is "seventy million, seven hundred sixty-four thousand, two hundred forty-two".