75641401 has 4 divisors (see below), whose sum is σ = 82517904. Its totient is φ = 68764900.

The previous prime is 75641387. The next prime is 75641443. The reversal of 75641401 is 10414657.

75641401 = T₃₇₀₃ + T₃₇₀₄ + ... + T₃₇₁₃.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75641401 - 2⁵ = 75641369 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 75641401.

It is not an unprimeable number, because it can be changed into a prime (75641101) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3438235 + ... + 3438256.

It is an arithmetic number, because the mean of its divisors is an integer number (20629476).

Almost surely, 2^75641401 is an apocalyptic number.

It is an amenable number.

75641401 is a deficient number, since it is larger than the sum of its proper divisors (6876503).

75641401 is a wasteful number, since it uses less digits than its factorization.

75641401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6876502.

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 75641401 is about 8697.2065055396. The cubic root of 75641401 is about 422.9150964030.

The spelling of 75641401 in words is "seventy-five million, six hundred forty-one thousand, four hundred one".