1954620742 has 8 divisors (see below), whose sum is σ = 3026509632. Its totient is φ = 945784200.

The previous prime is 1954620737. The next prime is 1954620749. The reversal of 1954620742 is 2470264591.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-3 number, since 3×1954620742³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1954620695 and 1954620704.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1954620749) 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, 15763009 + ... + 15763132.

It is an arithmetic number, because the mean of its divisors is an integer number (378313704).

Almost surely, 2^1954620742 is an apocalyptic number.

1954620742 is a deficient number, since it is larger than the sum of its proper divisors (1071888890).

1954620742 is a wasteful number, since it uses less digits than its factorization.

1954620742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31526174.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 1954620742 is about 44211.0929745013. The cubic root of 1954620742 is about 1250.3190102057.

The spelling of 1954620742 in words is "one billion, nine hundred fifty-four million, six hundred twenty thousand, seven hundred forty-two".