7371662421 has 16 divisors (see below), whose sum is σ = 9989254080. Its totient is φ = 4834604160.

The previous prime is 7371662411. The next prime is 7371662437. The reversal of 7371662421 is 1242661737.

It is not a de Polignac number, because 7371662421 - 2²² = 7367468117 is a prime.

It is a super-3 number, since 3×7371662421³ (a number of 31 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7371662421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7371662411) 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 in 15 ways as a sum of consecutive naturals, for example, 41926 + ... + 128456.

It is an arithmetic number, because the mean of its divisors is an integer number (624328380).

Almost surely, 2^7371662421 is an apocalyptic number.

It is an amenable number.

7371662421 is a deficient number, since it is larger than the sum of its proper divisors (2617591659).

7371662421 is a wasteful number, since it uses less digits than its factorization.

7371662421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86996.

The product of its digits is 84672, while the sum is 39.

The square root of 7371662421 is about 85858.3858513541. The cubic root of 7371662421 is about 1946.2045323748.

The spelling of 7371662421 in words is "seven billion, three hundred seventy-one million, six hundred sixty-two thousand, four hundred twenty-one".