70654478 has 8 divisors (see below), whose sum is σ = 106021872. Its totient is φ = 35313856.

The previous prime is 70654471. The next prime is 70654481. The reversal of 70654478 is 87445607.

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

It is a super-2 number, since 2×70654478² = 9984110522904968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70654471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2351 + ... + 12117.

It is an arithmetic number, because the mean of its divisors is an integer number (13252734).

Almost surely, 2^70654478 is an apocalyptic number.

70654478 is a deficient number, since it is larger than the sum of its proper divisors (35367394).

70654478 is a wasteful number, since it uses less digits than its factorization.

70654478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13386.

The product of its (nonzero) digits is 188160, while the sum is 41.

The square root of 70654478 is about 8405.6218092417. The cubic root of 70654478 is about 413.4089717340.

The spelling of 70654478 in words is "seventy million, six hundred fifty-four thousand, four hundred seventy-eight".