1967820970 has 16 divisors (see below), whose sum is σ = 3551735808. Its totient is φ = 784982160.

The previous prime is 1967820961. The next prime is 1967820979. The reversal of 1967820970 is 790287691.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1967820961) and next prime (1967820979).

It is not an unprimeable number, because it can be changed into a prime (1967820979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 264426 + ... + 271765.

It is an arithmetic number, because the mean of its divisors is an integer number (221983488).

Almost surely, 2^1967820970 is an apocalyptic number.

1967820970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1967820970 is a deficient number, since it is larger than the sum of its proper divisors (1583914838).

1967820970 is a wasteful number, since it uses less digits than its factorization.

1967820970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 536565.

The product of its (nonzero) digits is 381024, while the sum is 49.

The square root of 1967820970 is about 44360.1281558113. The cubic root of 1967820970 is about 1253.1273096891.

The spelling of 1967820970 in words is "one billion, nine hundred sixty-seven million, eight hundred twenty thousand, nine hundred seventy".