70437748 has 6 divisors (see below), whose sum is σ = 123266066. Its totient is φ = 35218872.

The previous prime is 70437739. The next prime is 70437803. The reversal of 70437748 is 84773407.

It can be written as a sum of positive squares in only one way, i.e., 66227044 + 4210704 = 8138^2 + 2052^2 .

It is a super-2 number, since 2×70437748² = 9922952686623008, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 70437748.

It is a congruent number.

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, 8804715 + ... + 8804722.

Almost surely, 2^70437748 is an apocalyptic number.

It is an amenable number.

70437748 is a deficient number, since it is larger than the sum of its proper divisors (52828318).

70437748 is a wasteful number, since it uses less digits than its factorization.

70437748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17609441 (or 17609439 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 70437748 is about 8392.7199405199. The cubic root of 70437748 is about 412.9858332040.

The spelling of 70437748 in words is "seventy million, four hundred thirty-seven thousand, seven hundred forty-eight".