70748451 has 8 divisors (see below), whose sum is σ = 104812560. Its totient is φ = 47165616.

The previous prime is 70748399. The next prime is 70748473. The reversal of 70748451 is 15484707.

It is not a de Polignac number, because 70748451 - 2⁶ = 70748387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (70748651) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1310130 + ... + 1310183.

It is an arithmetic number, because the mean of its divisors is an integer number (13101570).

Almost surely, 2^70748451 is an apocalyptic number.

70748451 is a deficient number, since it is larger than the sum of its proper divisors (34064109).

70748451 is a wasteful number, since it uses less digits than its factorization.

70748451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2620322 (or 2620316 counting only the distinct ones).

The product of its (nonzero) digits is 31360, while the sum is 36.

The square root of 70748451 is about 8411.2098416340. The cubic root of 70748451 is about 413.5921734761.

The spelling of 70748451 in words is "seventy million, seven hundred forty-eight thousand, four hundred fifty-one".