7622420450 has 18 divisors (see below), whose sum is σ = 14178850401. Its totient is φ = 3048721240.

The previous prime is 7622420419. The next prime is 7622420479. The reversal of 7622420450 is 540242267.

It can be written as a sum of positive squares in 2 ways, for example, as 7469972041 + 152448409 = 86429^2 + 12347^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=61735.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 611177 + ... + 623523.

Almost surely, 2^7622420450 is an apocalyptic number.

7622420450 is a deficient number, since it is larger than the sum of its proper divisors (6556429951).

7622420450 is an frugal number, since it uses more digits than its factorization.

7622420450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24706 (or 12354 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 7622420450 is about 87306.4742731030. The cubic root of 7622420450 is about 1968.0266126089.

Multiplying 7622420450 by its sum of digits (32), we get a square (243917454400 = 493880²).

The spelling of 7622420450 in words is "seven billion, six hundred twenty-two million, four hundred twenty thousand, four hundred fifty".