754551421 has 16 divisors (see below), whose sum is σ = 819947520. Its totient is φ = 690238080.

The previous prime is 754551367. The next prime is 754551461. The reversal of 754551421 is 124155457.

It is a cyclic number.

It is not a de Polignac number, because 754551421 - 2¹¹ = 754549373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (754551461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1015176 + ... + 1015918.

It is an arithmetic number, because the mean of its divisors is an integer number (51246720).

Almost surely, 2^754551421 is an apocalyptic number.

It is an amenable number.

754551421 is a deficient number, since it is larger than the sum of its proper divisors (65396099).

754551421 is a wasteful number, since it uses less digits than its factorization.

754551421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356.

The product of its digits is 28000, while the sum is 34.

The square root of 754551421 is about 27469.0993845812. The cubic root of 754551421 is about 910.3944757558.

The spelling of 754551421 in words is "seven hundred fifty-four million, five hundred fifty-one thousand, four hundred twenty-one".