1072420670 has 16 divisors (see below), whose sum is σ = 1930739328. Its totient is φ = 428883360.

The previous prime is 1072420663. The next prime is 1072420681. The reversal of 1072420670 is 760242701.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76400 + ... + 89340.

It is an arithmetic number, because the mean of its divisors is an integer number (120671208).

Almost surely, 2^1072420670 is an apocalyptic number.

1072420670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1072420670 is a deficient number, since it is larger than the sum of its proper divisors (858318658).

1072420670 is a wasteful number, since it uses less digits than its factorization.

1072420670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21235.

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 1072420670 is about 32747.8345849004. The cubic root of 1072420670 is about 1023.5798440841.

The spelling of 1072420670 in words is "one billion, seventy-two million, four hundred twenty thousand, six hundred seventy".