70827069 has 4 divisors (see below), whose sum is σ = 94436096. Its totient is φ = 47218044.

The previous prime is 70827061. The next prime is 70827091. The reversal of 70827069 is 96072807.

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: 96072807 = 3 ⋅32024269.

It is not a de Polignac number, because 70827069 - 2³ = 70827061 is a prime.

It is a super-2 number, since 2×70827069² = 10032947406261522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70827061) 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, 11804509 + ... + 11804514.

It is an arithmetic number, because the mean of its divisors is an integer number (23609024).

Almost surely, 2^70827069 is an apocalyptic number.

It is an amenable number.

70827069 is a deficient number, since it is larger than the sum of its proper divisors (23609027).

70827069 is a wasteful number, since it uses less digits than its factorization.

70827069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23609026.

The product of its (nonzero) digits is 42336, while the sum is 39.

The square root of 70827069 is about 8415.8819502177. The cubic root of 70827069 is about 413.7453158288.

The spelling of 70827069 in words is "seventy million, eight hundred twenty-seven thousand, sixty-nine".