70753442 has 4 divisors (see below), whose sum is σ = 106130166. Its totient is φ = 35376720.

The previous prime is 70753409. The next prime is 70753453. The reversal of 70753442 is 24435707.

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., 39828721 + 30924721 = 6311^2 + 5561^2 .

It is a junction number, because it is equal to n+sod(n) for n = 70753399 and 70753408.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17688359 + ... + 17688362.

Almost surely, 2^70753442 is an apocalyptic number.

70753442 is a deficient number, since it is larger than the sum of its proper divisors (35376724).

70753442 is a wasteful number, since it uses less digits than its factorization.

70753442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35376723.

The product of its (nonzero) digits is 23520, while the sum is 32.

The square root of 70753442 is about 8411.5065238042. The cubic root of 70753442 is about 413.6018989658.

The spelling of 70753442 in words is "seventy million, seven hundred fifty-three thousand, four hundred forty-two".