70748866 has 8 divisors (see below), whose sum is σ = 112365900. Its totient is φ = 33293568.

The previous prime is 70748861. The next prime is 70748879. The reversal of 70748866 is 66884707.

It can be written as a sum of positive squares in 2 ways, for example, as 69806025 + 942841 = 8355^2 + 971^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (70748861) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1040391 + ... + 1040458.

Almost surely, 2^70748866 is an apocalyptic number.

70748866 is a deficient number, since it is larger than the sum of its proper divisors (41617034).

70748866 is a wasteful number, since it uses less digits than its factorization.

70748866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080868.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 70748866 is about 8411.2345110572. The cubic root of 70748866 is about 413.5929821648.

The spelling of 70748866 in words is "seventy million, seven hundred forty-eight thousand, eight hundred sixty-six".