10077640 has 16 divisors (see below), whose sum is σ = 22674780. Its totient is φ = 4031040.

The previous prime is 10077637. The next prime is 10077643. The reversal of 10077640 is 4677001.

It is an interprime number because it is at equal distance from previous prime (10077637) and next prime (10077643).

It can be written as a sum of positive squares in 2 ways, for example, as 10074276 + 3364 = 3174^2 + 58^2 .

It is not an unprimeable number, because it can be changed into a prime (10077643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125931 + ... + 126010.

Almost surely, 2^10077640 is an apocalyptic number.

10077640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10077640 is an abundant number, since it is smaller than the sum of its proper divisors (12597140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10077640 is a wasteful number, since it uses less digits than its factorization.

10077640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251952 (or 251948 counting only the distinct ones).

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 10077640 is about 3174.5298864556. The cubic root of 10077640 is about 215.9995999078. Note that the first 3 decimals are identical.

The spelling of 10077640 in words is "ten million, seventy-seven thousand, six hundred forty".