743378051 has 4 divisors (see below), whose sum is σ = 800560992. Its totient is φ = 686195112.

The previous prime is 743377981. The next prime is 743378081. The reversal of 743378051 is 150873347.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 150873347 = 67 ⋅2251841.

It is a cyclic number.

It is not a de Polignac number, because 743378051 - 2¹⁸ = 743115907 is a prime.

It is a super-2 number, since 2×743378051² = 1105221853417117202, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 743377996 and 743378014.

It is not an unprimeable number, because it can be changed into a prime (743378081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28591451 + ... + 28591476.

It is an arithmetic number, because the mean of its divisors is an integer number (200140248).

Almost surely, 2^743378051 is an apocalyptic number.

743378051 is a deficient number, since it is larger than the sum of its proper divisors (57182941).

743378051 is a wasteful number, since it uses less digits than its factorization.

743378051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57182940.

The product of its (nonzero) digits is 70560, while the sum is 38.

The square root of 743378051 is about 27264.9601320083. The cubic root of 743378051 is about 905.8784145357.

The spelling of 743378051 in words is "seven hundred forty-three million, three hundred seventy-eight thousand, fifty-one".