70774399 has 2 divisors, whose sum is σ = 70774400. Its totient is φ = 70774398.

The previous prime is 70774393. The next prime is 70774409. The reversal of 70774399 is 99347707.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 70774399 - 2³ = 70774391 is a prime.

It is a super-2 number, since 2×70774399² = 10018031107622402, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (70774391) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35387199 + 35387200.

It is an arithmetic number, because the mean of its divisors is an integer number (35387200).

Almost surely, 2^70774399 is an apocalyptic number.

70774399 is a deficient number, since it is larger than the sum of its proper divisors (1).

70774399 is an equidigital number, since it uses as much as digits as its factorization.

70774399 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 333396, while the sum is 46.

The square root of 70774399 is about 8412.7521656114. The cubic root of 70774399 is about 413.6427308985.

It can be divided in two parts, 7077 and 4399, that added together give a triangular number (11476 = T₁₅₁).

The spelling of 70774399 in words is "seventy million, seven hundred seventy-four thousand, three hundred ninety-nine".