70455421267 has 64 divisors (see below), whose sum is σ = 92033998848. Its totient is φ = 52355520000.

The previous prime is 70455421259. The next prime is 70455421313. The reversal of 70455421267 is 76212455407.

It is not a de Polignac number, because 70455421267 - 2³ = 70455421259 is a prime.

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is not an unprimeable number, because it can be changed into a prime (70455421247) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25152267 + ... + 25155067.

It is an arithmetic number, because the mean of its divisors is an integer number (1438031232).

Almost surely, 2^70455421267 is an apocalyptic number.

70455421267 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

70455421267 is a deficient number, since it is larger than the sum of its proper divisors (21578577581).

70455421267 is a wasteful number, since it uses less digits than its factorization.

70455421267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3040.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 70455421267 in words is "seventy billion, four hundred fifty-five million, four hundred twenty-one thousand, two hundred sixty-seven".