70621834 has 8 divisors (see below), whose sum is σ = 106388100. Its totient is φ = 35159136.

The previous prime is 70621807. The next prime is 70621843. The reversal of 70621834 is 43812607.

It can be written as a sum of positive squares in 2 ways, for example, as 70509609 + 112225 = 8397^2 + 335^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 70621796 and 70621805.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 75309 + ... + 76240.

Almost surely, 2^70621834 is an apocalyptic number.

70621834 is a deficient number, since it is larger than the sum of its proper divisors (35766266).

70621834 is a wasteful number, since it uses less digits than its factorization.

70621834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151784.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 70621834 is about 8403.6797892352. The cubic root of 70621834 is about 413.3452937630.

The spelling of 70621834 in words is "seventy million, six hundred twenty-one thousand, eight hundred thirty-four".