71020790 has 8 divisors (see below), whose sum is σ = 127837440. Its totient is φ = 28408312.

The previous prime is 71020787. The next prime is 71020801. The reversal of 71020790 is 9702017.

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

It is a super-2 number, since 2×71020790² = 10087905224448200, which contains 22 as substring.

It is a congruent number.

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, 3551030 + ... + 3551049.

It is an arithmetic number, because the mean of its divisors is an integer number (15979680).

Almost surely, 2^71020790 is an apocalyptic number.

71020790 is a deficient number, since it is larger than the sum of its proper divisors (56816650).

71020790 is a wasteful number, since it uses less digits than its factorization.

71020790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7102086.

The product of its (nonzero) digits is 882, while the sum is 26.

The square root of 71020790 is about 8427.3833424142. The cubic root of 71020790 is about 414.1221877121.

The spelling of 71020790 in words is "seventy-one million, twenty thousand, seven hundred ninety".