751680401 has 2 divisors, whose sum is σ = 751680402. Its totient is φ = 751680400.

The previous prime is 751680373. The next prime is 751680409. The reversal of 751680401 is 104086157.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 749445376 + 2235025 = 27376^2 + 1495^2 .

It is a cyclic number.

It is not a de Polignac number, because 751680401 - 2²² = 747486097 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (751680409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375840200 + 375840201.

It is an arithmetic number, because the mean of its divisors is an integer number (375840201).

Almost surely, 2^751680401 is an apocalyptic number.

It is an amenable number.

751680401 is a deficient number, since it is larger than the sum of its proper divisors (1).

751680401 is an equidigital number, since it uses as much as digits as its factorization.

751680401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 751680401 is about 27416.7904941479. The cubic root of 751680401 is about 909.2383438853.

The spelling of 751680401 in words is "seven hundred fifty-one million, six hundred eighty thousand, four hundred one".