70540077 has 8 divisors (see below), whose sum is σ = 94210816. Its totient is φ = 46948032.

The previous prime is 70540061. The next prime is 70540109. The reversal of 70540077 is 77004507.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 70540077 - 2⁴ = 70540061 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 (70540007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17548 + ... + 21189.

It is an arithmetic number, because the mean of its divisors is an integer number (11776352).

Almost surely, 2^70540077 is an apocalyptic number.

It is an amenable number.

70540077 is a deficient number, since it is larger than the sum of its proper divisors (23670739).

70540077 is a wasteful number, since it uses less digits than its factorization.

70540077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39347.

The product of its (nonzero) digits is 6860, while the sum is 30.

The square root of 70540077 is about 8398.8140234202. The cubic root of 70540077 is about 413.1857259240.

The spelling of 70540077 in words is "seventy million, five hundred forty thousand, seventy-seven".