70454630 has 64 divisors (see below), whose sum is σ = 143700480. Its totient is φ = 24729600.

The previous prime is 70454627. The next prime is 70454639. The reversal of 70454630 is 3645407.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 70454593 and 70454602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70454639) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 152600 + ... + 153060.

It is an arithmetic number, because the mean of its divisors is an integer number (2245320).

Almost surely, 2^70454630 is an apocalyptic number.

70454630 is an abundant number, since it is smaller than the sum of its proper divisors (73245850).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70454630 is a wasteful number, since it uses less digits than its factorization.

70454630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545.

The product of its (nonzero) digits is 10080, while the sum is 29.

The square root of 70454630 is about 8393.7256328760. The cubic root of 70454630 is about 413.0188243681.

The spelling of 70454630 in words is "seventy million, four hundred fifty-four thousand, six hundred thirty".