70628654 has 4 divisors (see below), whose sum is σ = 105942984. Its totient is φ = 35314326.

The previous prime is 70628651. The next prime is 70628687. The reversal of 70628654 is 45682607.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70628651) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17657162 + ... + 17657165.

It is an arithmetic number, because the mean of its divisors is an integer number (26485746).

Almost surely, 2^70628654 is an apocalyptic number.

70628654 is a deficient number, since it is larger than the sum of its proper divisors (35314330).

70628654 is a wasteful number, since it uses less digits than its factorization.

70628654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35314329.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 70628654 is about 8404.0855540624. The cubic root of 70628654 is about 413.3585990163.

The spelling of 70628654 in words is "seventy million, six hundred twenty-eight thousand, six hundred fifty-four".