70789061 has 4 divisors (see below), whose sum is σ = 80901792. Its totient is φ = 60676332.

The previous prime is 70789031. The next prime is 70789063. The reversal of 70789061 is 16098707.

It is a happy number.

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: 16098707 = 1783 ⋅9029.

It is a cyclic number.

It is not a de Polignac number, because 70789061 - 2⁶ = 70788997 is a prime.

It is a super-2 number, since 2×70789061² = 10022182314523442, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70789063) 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, 5056355 + ... + 5056368.

It is an arithmetic number, because the mean of its divisors is an integer number (20225448).

Almost surely, 2^70789061 is an apocalyptic number.

It is an amenable number.

70789061 is a deficient number, since it is larger than the sum of its proper divisors (10112731).

70789061 is a wasteful number, since it uses less digits than its factorization.

70789061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10112730.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 70789061 is about 8413.6235356712. The cubic root of 70789061 is about 413.6712930671.

The spelling of 70789061 in words is "seventy million, seven hundred eighty-nine thousand, sixty-one".