70468091 has 4 divisors (see below), whose sum is σ = 72372672. Its totient is φ = 68563512.

The previous prime is 70468081. The next prime is 70468127. The reversal of 70468091 is 19086407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 19086407 = 3547 ⋅5381.

It is a cyclic number.

It is not a de Polignac number, because 70468091 - 2¹⁴ = 70451707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (70468031) 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, 952235 + ... + 952308.

It is an arithmetic number, because the mean of its divisors is an integer number (18093168).

Almost surely, 2^70468091 is an apocalyptic number.

70468091 is a deficient number, since it is larger than the sum of its proper divisors (1904581).

70468091 is a wasteful number, since it uses less digits than its factorization.

70468091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1904580.

The product of its (nonzero) digits is 12096, while the sum is 35.

The square root of 70468091 is about 8394.5274435194. The cubic root of 70468091 is about 413.0451263649.

The spelling of 70468091 in words is "seventy million, four hundred sixty-eight thousand, ninety-one".