70417749 has 4 divisors (see below), whose sum is σ = 93890336. Its totient is φ = 46945164.

The previous prime is 70417741. The next prime is 70417769. The reversal of 70417749 is 94771407.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 94771407 = 3 ⋅31590469.

It is not a de Polignac number, because 70417749 - 2³ = 70417741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70417741) 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, 11736289 + ... + 11736294.

It is an arithmetic number, because the mean of its divisors is an integer number (23472584).

Almost surely, 2^70417749 is an apocalyptic number.

It is an amenable number.

70417749 is a deficient number, since it is larger than the sum of its proper divisors (23472587).

70417749 is a wasteful number, since it uses less digits than its factorization.

70417749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23472586.

The product of its (nonzero) digits is 49392, while the sum is 39.

The square root of 70417749 is about 8391.5284066730. The cubic root of 70417749 is about 412.9467439103.

The spelling of 70417749 in words is "seventy million, four hundred seventeen thousand, seven hundred forty-nine".