70455381 has 8 divisors (see below), whose sum is σ = 95532960. Its totient is φ = 46174032.

The previous prime is 70455377. The next prime is 70455383. The reversal of 70455381 is 18355407.

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

It is not a de Polignac number, because 70455381 - 2² = 70455377 is a prime.

It is a super-2 number, since 2×70455381² = 9927921423710322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70455383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198850 + ... + 199203.

It is an arithmetic number, because the mean of its divisors is an integer number (11941620).

Almost surely, 2^70455381 is an apocalyptic number.

It is an amenable number.

70455381 is a deficient number, since it is larger than the sum of its proper divisors (25077579).

70455381 is a wasteful number, since it uses less digits than its factorization.

70455381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398115.

The product of its (nonzero) digits is 16800, while the sum is 33.

The square root of 70455381 is about 8393.7703685531. The cubic root of 70455381 is about 413.0202918659.

The spelling of 70455381 in words is "seventy million, four hundred fifty-five thousand, three hundred eighty-one".