70021054 has 4 divisors (see below), whose sum is σ = 105031584. Its totient is φ = 35010526.

The previous prime is 70021037. The next prime is 70021067. The reversal of 70021054 is 45012007.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17505262 + ... + 17505265.

It is an arithmetic number, because the mean of its divisors is an integer number (26257896).

Almost surely, 2^70021054 is an apocalyptic number.

70021054 is a deficient number, since it is larger than the sum of its proper divisors (35010530).

70021054 is a wasteful number, since it uses less digits than its factorization.

70021054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35010529.

The product of its (nonzero) digits is 280, while the sum is 19.

The square root of 70021054 is about 8367.8583879031. The cubic root of 70021054 is about 412.1698446679.

The spelling of 70021054 in words is "seventy million, twenty-one thousand, fifty-four".